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bone filler release device

A release device and bone filler technology, applied in the field of medical devices, can solve problems such as bone cement leakage, balloon rise, and enlargement

Active Publication Date: 2020-08-25
SHANGHAI KINETIC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, during the expansion of the balloon, the density of the cancellous bone in the vertebral body will also change. At this time, the pressure in the balloon will increase significantly, and there is a risk of breaking the outer wall of the vertebral body. If there are cracks in the peripheral wall of the vertebral body , the risk of further fracture of the vertebral body will increase during the balloon inflation process, at this time, the risk of bone cement leakage during the injection of bone cement will greatly increase, and there is still a risk of bone cement leakage

Method used

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Embodiment Construction

[0041] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0042] In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device Or elements must have a certain orientation, be constructed and operate in a certain orientation, and thus should not be construed as limiting the invention.

[0043] see figure 1 , The bone filler releasing device of Embodiment 1 includes a capsule 10 with an injection port. The capsule body 10 includes a plurality ...

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Abstract

The invention discloses a bone filling material release device, which comprises: a capsule body with an injection port, the capsule body includes a plurality of blades, and the plurality of blades are connected to each other, and different blades are configured to be able to operate at different sizes. The connection between the adjacent blades is disconnected under the action of external force. The above-mentioned bone filler releasing device has the beneficial effect of improving the height recovery effect of the vertebral body and effectively avoiding the leakage of the bone filler.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a bone filler releasing device. Background technique [0002] Currently, percutaneous vertebroplasty and percutaneous kyphoplasty are commonly used methods to deal with osteoporotic vertebral compression fractures, among which percutaneous vertebroplasty is more widely used. Percutaneous vertebroplasty establishes a channel and injects bone cement into the vertebral body to provide sufficient support between the trabecular bones in the vertebral body, so as to ensure that no compression fractures and pain occur in the diseased vertebrae. At the same time, in order to reduce the risk of bone cement leakage, it is generally used to inflate the balloon first to form a cavity, and then perfuse the bone cement to achieve the effect of low-pressure perfusion of bone cement, and finally reduce the leakage rate of bone cement, or through Bone cement is used to fill the bone ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/88
CPCA61B17/8802A61B17/8855
Inventor 王筱凡郭忠祎许婷婷宋月华杨丽张荔
Owner SHANGHAI KINETIC MEDICAL